If the circumference is 47 feet what formula can be used to find the radius ?

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100